/**
 * Created on Apr 17, 2007
 * Created by Alan Snyder
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

package com.aelitis.azureus.core.networkmanager.admin.impl;

import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.plugins.PluginInterface;
import org.gudy.azureus2.pluginsimpl.local.PluginInitializer;

import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminException;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminSpeedTestScheduledTest;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminSpeedTestScheduledTestListener;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminSpeedTestScheduler;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminSpeedTesterResult;

public class NetworkAdminSpeedTestSchedulerImpl implements NetworkAdminSpeedTestScheduler {
    private static NetworkAdminSpeedTestSchedulerImpl instance = null;
    private NetworkAdminSpeedTestScheduledTestImpl currentTest = null;

    public static synchronized NetworkAdminSpeedTestScheduler getInstance() {
        if (instance == null) {
            instance = new NetworkAdminSpeedTestSchedulerImpl();
        }
        return instance;
    }

    private NetworkAdminSpeedTestSchedulerImpl() {
        NetworkAdminSpeedTesterBTImpl.initialise();
    }

    public void initialise() {
        NetworkAdminSpeedTesterBTImpl.startUp();
    }

    public synchronized NetworkAdminSpeedTestScheduledTest getCurrentTest() {
        return (currentTest);
    }

    public synchronized NetworkAdminSpeedTestScheduledTest scheduleTest(int type) throws NetworkAdminException {
        if (currentTest != null) {

            throw (new NetworkAdminException("Test already scheduled"));
        }

        if (type == TEST_TYPE_BT) {

            PluginInterface plugin = PluginInitializer.getDefaultInterface();

            currentTest = new NetworkAdminSpeedTestScheduledTestImpl(plugin, new NetworkAdminSpeedTesterBTImpl(plugin));
            currentTest.getTester().setMode(type);

            currentTest.addListener(new NetworkAdminSpeedTestScheduledTestListener() {
                public void stage(NetworkAdminSpeedTestScheduledTest test, String step) {
                }

                public void complete(NetworkAdminSpeedTestScheduledTest test) {
                    synchronized (NetworkAdminSpeedTestSchedulerImpl.this) {

                        currentTest = null;
                    }
                }

            });
        } else {

            throw (new NetworkAdminException("Unknown test type"));
        }

        return (currentTest);
    }

    /**
     * Get the most recent result for the test.
     * 
     * @return - Result
     */
    public NetworkAdminSpeedTesterResult getLastResult(int type) {

        if (type == TEST_TYPE_BT) {

            return (NetworkAdminSpeedTesterBTImpl.getLastResult());

        } else {

            Debug.out("Unknown test type");

            return (null);
        }
    }

}
